Hello Geert, at most of my Java packages i set
export JAVA_HOME := /usr/lib/jvm/default-java
in debian/rules
Regards
Mechtilde
Am 28.02.21 um 15:17 schrieb Geert Stappers:
> On Sun, Feb 28, 2021 at 02:43:34PM +0100, Thorsten Glaser wrote:
>> On Sun, 28 Feb 2021, Geert Stappers wrote:
>>
>>> To what should JAVA_HOME be set?
>>
>> It should be unset. Also ideally, you have only ever one JRE installed.
>>
>> Everything else is a nightmare.
>
> :-)
>
>
>> To make this work with Java >8 and Maven, you’ll need¹…
>>
>> <profile>
>> <id>jre-not-below-jdk</id>
>> <activation>
>> <file>
>> <exists>${java.home}/bin/javadoc</exists>
>> </file>
>> </activation>
>> <build>
>> <plugins>
>> <plugin>
>>
>> <groupId>org.apache.maven.plugins</groupId>
>>
>> <artifactId>maven-javadoc-plugin</artifactId>
>> <configuration>
>>
>> <javadocExecutable>${java.home}/bin/javadoc</javadocExecutable>
>> </configuration>
>> </plugin>
>> </plugins>
>> </build>
>> </profile>
>>
>> … or the Debian-patched version of the maven-javadoc-plugin.
>>
>
>
> Sharing my "nightmare" with you
>
> | $ javaws ~/Downloads/launch\(3\).jnlp
> | Codebase matches codebase manifest attribute, and application is signed.
> Continuing. See:
> http://docs.oracle.com/javase/7/docs/technotes/guides/jweb/security/no_redeploy.html
> for details.
> | Starting application [tw.com.aten.ikvm.KVMMain] ...
> | Buf size:425984
> | Exception in thread "AWT-EventQueue-1"
> javax.xml.parsers.FactoryConfigurationError: Provider for class
> javax.xml.parsers.DocumentBuilderFactory cannot be created
> | at
> java.xml/javax.xml.parsers.FactoryFinder.findServiceProvider(FactoryFinder.java:305)
> | at java.xml/javax.xml.parsers.FactoryFinder.find(FactoryFinder.java:261)
> | at
> java.xml/javax.xml.parsers.DocumentBuilderFactory.newInstance(DocumentBuilderFactory.java:140)
> | ...Java stack trace...
>
>
> Manual page of `javaws` mentions JAVA_HOME
>
> With `apt-file search DocumentBuilderFactory` I did found
> | openjdk-11-doc:
> /usr/share/doc/openjdk-11-jre-headless/api/java.xml/javax/xml/parsers/DocumentBuilderFactory.html
> | openjdk-11-doc:
> /usr/share/doc/openjdk-11-jre-headless/api/java.xml/javax/xml/parsers/class-use/DocumentBuilderFactory.html
> | openjdk-15-doc:
> /usr/share/doc/openjdk-15-jre-headless/api/java.xml/javax/xml/parsers/DocumentBuilderFactory.html
> | openjdk-15-doc:
> /usr/share/doc/openjdk-15-jre-headless/api/java.xml/javax/xml/parsers/class-use/DocumentBuilderFactory.html
> | openjdk-16-doc:
> /usr/share/doc/openjdk-16-jre-headless/api/java.xml/javax/xml/parsers/DocumentBuilderFactory.html
> | openjdk-16-doc:
> /usr/share/doc/openjdk-16-jre-headless/api/java.xml/javax/xml/parsers/class-use/DocumentBuilderFactory.html
> | openjdk-17-doc:
> /usr/share/doc/openjdk-17-jre-headless/api/java.xml/javax/xml/parsers/DocumentBuilderFactory.html
> | openjdk-17-doc:
> /usr/share/doc/openjdk-17-jre-headless/api/java.xml/javax/xml/parsers/class-use/DocumentBuilderFactory.html
>
>
> Hence the original
>>> To what should JAVA_HOME be set?
>
>
> At https://www.wikihow.com/Set-Java-Home#For-Linux I found
> JAVA_HOME=/usr/java/jdk1.6.0_06/bin/java
>
> But there is no /usr/java/ on my Debian system.
>
>
> Transforming
>>> Which value has JAVA_HOME for you?
> into
>
>
> Which sane value for JAVA_HOME should I try
> with next `javaws launch.jnlp` ?
>
>
>
> Groeten
> Geert Stappers
>
--
Mechtilde Stehmann
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